Digital processing for steerable CW doppler
US5406949A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1994 |
| Grant date | Apr 18, 1995 |
| Priority date | — |
| Expiry date | Jul 18, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/52028
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A Doppler medical ultrasound apparatus, comprising means for transmitting ultrasound energy into a body, a plurality of parallel channels for receiving echoes of the ultrasound energy, digitizing the echoes, and digitally forming a received beam signal therefrom, means for processing the beam signals to produce a Doppler signal representing movement in a target volume within the body, and means for displaying the Doppler signal, and further including a summing circuit for summing a common dither signal with each of the received echoes and an A/D converter for digitizing the received echo in each parallel channel having the common dither signal added thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.